Synchronising time across devices

Abstract

Methods and systems for synchronising time between devices of a system. A host device sends, to each of a plurality of target devices via a respective pathway, a message comprising a timestamp indicating a current global time at the host device. Each target device receives and processes the message, and determines whether the current global time indicated by the timestamp is ahead of or behind a current local time at the target device. If the current global time indicated by the timestamp is ahead of the current local time at the target device, the target devices updates the current local time at the target device to be the current global time indicated by the timestamp. If the current global time indicated by the timestamp is behind the current local time at the target device, the target device maintains the current local time at the target device.

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